Chosen Ciphertext Attacks in Theory and Practice

  • Wednesday, April 22, 2015 | 9:10 AM – 10:00 AM | West | Room: 2000

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Protecting public key based encryption protocols against chosen ciphertext attacks (CCA) is important, but not always taken into consideration sufficiently in practice. The speakers of this session present theoretical advances of CCA security and reveal new CCA vulnerabilities in practical implementations of Open PGP.
Topic 1: Completeness of Single-Bit Projection-KDM Security for Public Key Encryption
Authors: Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
Topic 2: Format Oracles on OpenPGP
Authors: Florian Maury, Jean-René Reinhard, Olivier Levillain, Henri Gilbert 


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